GeForce GTX 550 Ti vs GeForce GTX 980

Intro

Compare those specs to the GeForce GTX 980, which comes with core speeds of 1126 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 RAM. It features 2048 SPUs as well as 128 TAUs and 64 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 980		13552 points
GeForce GTX 550 Ti		1897 points
	Difference: 11655 (614%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti		116 Watts
GeForce GTX 980		165 Watts
	Difference: 49 Watts (42%)

Memory Bandwidth

Performance-wise, the GeForce GTX 980 should theoretically be much superior to the GeForce GTX 550 Ti overall. (explain)

GeForce GTX 980		224000 MB/sec
GeForce GTX 550 Ti		98496 MB/sec
	Difference: 125504 (127%)

Texel Rate

The GeForce GTX 980 will be much (approximately 400%) more effective at AF than the GeForce GTX 550 Ti. (explain)

GeForce GTX 980		144128 Mtexels/sec
GeForce GTX 550 Ti		28800 Mtexels/sec
	Difference: 115328 (400%)

Pixel Rate

The GeForce GTX 980 will be much (about 234%) faster with regards to AA than the GeForce GTX 550 Ti, and also capable of handling higher screen resolutions more effectively. (explain)

GeForce GTX 980		72064 Mpixels/sec
GeForce GTX 550 Ti		21600 Mpixels/sec
	Difference: 50464 (234%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the largest amount of data (in units of megabytes per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.